lkml.org 
[lkml]   [2020]   [Jul]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v4 1/2] phy: Add new PHY attribute max_link_rate and APIs to get/set PHY attributes
From
Date


On 7/17/2020 12:20 PM, Swapnil Jakhade wrote:
> Add new PHY attribute max_link_rate to struct phy_attrs.
> Add a pair of PHY APIs to get/set all the PHY attributes.
> Use phy_get_attrs() to get attribute values and phy_set_attrs()
> to set attribute values.
>
> Signed-off-by: Yuti Amonkar <yamonkar@cadence.com>
> Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>

Acked-by: Kishon Vijay Abraham I <kishon@ti.com>

> ---
> include/linux/phy/phy.h | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
> index bcee8eba62b3..5d8ebb056c1d 100644
> --- a/include/linux/phy/phy.h
> +++ b/include/linux/phy/phy.h
> @@ -115,10 +115,12 @@ struct phy_ops {
> /**
> * struct phy_attrs - represents phy attributes
> * @bus_width: Data path width implemented by PHY
> + * @max_link_rate: Maximum link rate supported by PHY (in Mbps)
> * @mode: PHY mode
> */
> struct phy_attrs {
> u32 bus_width;
> + u32 max_link_rate;
> enum phy_mode mode;
> };
>
> @@ -231,6 +233,20 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width)
> {
> phy->attrs.bus_width = bus_width;
> }
> +
> +static inline void phy_get_attrs(struct phy *phy, struct phy_attrs *attrs)
> +{
> + mutex_lock(&phy->mutex);
> + memcpy(attrs, &phy->attrs, sizeof(struct phy_attrs));
> + mutex_unlock(&phy->mutex);
> +}
> +
> +static inline void phy_set_attrs(struct phy *phy, struct phy_attrs attrs)
> +{
> + mutex_lock(&phy->mutex);
> + memcpy(&phy->attrs, &attrs, sizeof(struct phy_attrs));
> + mutex_unlock(&phy->mutex);
> +}
> struct phy *phy_get(struct device *dev, const char *string);
> struct phy *phy_optional_get(struct device *dev, const char *string);
> struct phy *devm_phy_get(struct device *dev, const char *string);
> @@ -389,6 +405,16 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width)
> return;
> }
>
> +static inline void phy_get_attrs(struct phy *phy, struct phy_attrs *attrs)
> +{
> + return;
> +}
> +
> +static inline void phy_set_attrs(struct phy *phy, struct phy_attrs attrs)
> +{
> + return;
> +}
> +
> static inline struct phy *phy_get(struct device *dev, const char *string)
> {
> return ERR_PTR(-ENOSYS);
>

\
 
 \ /
  Last update: 2020-07-23 06:52    [W:0.088 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site